Table 2. Comparison between DAFA and PFAQ scores in PD patients with suspected mild dementia.

Item of the scale	PFAQ	DAFA	p-value	Rate of concordance
1. Money management#	0.16 (0.45)	0.87 (0.97)	0.001*	0.46
2. Money management#	0.09 (0.39)	0.47 (0.62)	0.003*	0.56
3. Shopping	0.13 (0.42)	0.84 (0.92)	0.0001*	0.50
4. Hobbies	0.23 (0.43)	0.58 (0.89)	0.031	0.71
5. Meal preparation (coffee)	0.03 (0.18)	0.25 (0.57)	0.063	0.83
6. Meal preparation (sandwich)	0.16 (0.63)	0.34 (0.48)	0.183	0.65
7. Awareness	0.13 (0.49)	0.84 (1.17)	0.001*	0.59
8. Reading	0.22 (0.49)	1.91 (1.03)	0.001*	0.18
9. Awareness (appointments)	0.69 (0.86)	0.81 (0.78)	0.543	0.34
10. Transportation	0.06 (0.25)	1.16 (0.95)	0.001*	0.25
Total score	1.88 (3.13)	8.00 (5.44)	0.0001*	0.50

Values expressed as mean (SD);

^*p <0.05, Wilcoxon test for paired samples; DAFA: Direct Assessment of Functional Abilities; PFAQ: Pfeffer's Functional Activities Questionnaire;

^#Money management 1: assesses the patient's ability to write a check, Money Management 2: evaluates a patient's ability to fill out a form with personal information.